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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * This class embodies the Host authorization panel.<a name="line.2"></a>
<FONT color="green">003</FONT>     */<a name="line.3"></a>
<FONT color="green">004</FONT>    package org.hackystat.ui.sensordatabrowser.client;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Date;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    import com.google.gwt.user.client.Window;<a name="line.8"></a>
<FONT color="green">009</FONT>    import com.google.gwt.user.client.WindowResizeListener;<a name="line.9"></a>
<FONT color="green">010</FONT>    import com.google.gwt.user.client.rpc.AsyncCallback;<a name="line.10"></a>
<FONT color="green">011</FONT>    import com.google.gwt.user.client.ui.HTML;<a name="line.11"></a>
<FONT color="green">012</FONT>    import com.google.gwt.user.client.ui.HorizontalPanel;<a name="line.12"></a>
<FONT color="green">013</FONT>    import com.google.gwt.user.client.ui.Image;<a name="line.13"></a>
<FONT color="green">014</FONT>    import com.google.gwt.user.client.ui.Label;<a name="line.14"></a>
<FONT color="green">015</FONT>    import com.google.gwt.user.client.ui.Panel;<a name="line.15"></a>
<FONT color="green">016</FONT>    import com.google.gwt.user.client.ui.RootPanel;<a name="line.16"></a>
<FONT color="green">017</FONT>    import com.google.gwt.user.client.ui.VerticalPanel;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * This class embodies the Host authorization panel.<a name="line.20"></a>
<FONT color="green">021</FONT>     * @author David J. Nickles<a name="line.21"></a>
<FONT color="green">022</FONT>     *<a name="line.22"></a>
<FONT color="green">023</FONT>     */<a name="line.23"></a>
<FONT color="green">024</FONT>    public class HostPanels extends HorizontalPanel implements WindowResizeListener {<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>      private Boolean sensorbaseStatus;<a name="line.26"></a>
<FONT color="green">027</FONT>      private Date sensorbaseTstamp;<a name="line.27"></a>
<FONT color="green">028</FONT>      private Label hostLabel;<a name="line.28"></a>
<FONT color="green">029</FONT>      private HTML hostPanelFeedback;<a name="line.29"></a>
<FONT color="green">030</FONT>      private Image hostPanelImage;<a name="line.30"></a>
<FONT color="green">031</FONT>      private Session session;<a name="line.31"></a>
<FONT color="green">032</FONT>      private static final String newLineChar = "&lt;br /&gt;";<a name="line.32"></a>
<FONT color="green">033</FONT>      private Panel statusPanel;<a name="line.33"></a>
<FONT color="green">034</FONT>      private Panel settingsPanel;<a name="line.34"></a>
<FONT color="green">035</FONT>      private UserPanels userPanels;<a name="line.35"></a>
<FONT color="green">036</FONT>      <a name="line.36"></a>
<FONT color="green">037</FONT>      /**<a name="line.37"></a>
<FONT color="green">038</FONT>       * Construct a valid set of hosts.<a name="line.38"></a>
<FONT color="green">039</FONT>       * <a name="line.39"></a>
<FONT color="green">040</FONT>       * @param session the current session attributes<a name="line.40"></a>
<FONT color="green">041</FONT>       */<a name="line.41"></a>
<FONT color="green">042</FONT>      public HostPanels(Session session) {<a name="line.42"></a>
<FONT color="green">043</FONT>        this.session = session;<a name="line.43"></a>
<FONT color="green">044</FONT>        <a name="line.44"></a>
<FONT color="green">045</FONT>        HorizontalPanel hostSettingsPanel = new HorizontalPanel();<a name="line.45"></a>
<FONT color="green">046</FONT>        hostSettingsPanel.setStyleName(Styles.SETTINGSPANELPANESTYLE);<a name="line.46"></a>
<FONT color="green">047</FONT>        Label uriLabel = new Label("URI:");<a name="line.47"></a>
<FONT color="green">048</FONT>        uriLabel.setStyleName(Styles.EXAMPLELABELSTYLE);<a name="line.48"></a>
<FONT color="green">049</FONT>        hostSettingsPanel.add(uriLabel);<a name="line.49"></a>
<FONT color="green">050</FONT>        this.hostLabel = new Label("Example: http://hackystat.org:9876/sensorbase");<a name="line.50"></a>
<FONT color="green">051</FONT>        this.hostLabel.setStyleName(Styles.EXAMPLELABELSTYLE);<a name="line.51"></a>
<FONT color="green">052</FONT>        hostSettingsPanel.add(this.hostLabel);<a name="line.52"></a>
<FONT color="green">053</FONT>        RootPanel.get("hostSettingsSlot").add(hostSettingsPanel);<a name="line.53"></a>
<FONT color="green">054</FONT>        this.statusPanel = hostSettingsPanel;<a name="line.54"></a>
<FONT color="green">055</FONT>        <a name="line.55"></a>
<FONT color="green">056</FONT>        HorizontalPanel hostColumns = new HorizontalPanel();<a name="line.56"></a>
<FONT color="green">057</FONT>        this.hostPanelImage = new Image(Images.HOST_IMAGE);<a name="line.57"></a>
<FONT color="green">058</FONT>        this.hostPanelImage.setStyleName(Styles.STATUSIMAGESTYLE);<a name="line.58"></a>
<FONT color="green">059</FONT>        hostColumns.add(this.hostPanelImage);<a name="line.59"></a>
<FONT color="green">060</FONT>        VerticalPanel hostRows = new VerticalPanel();<a name="line.60"></a>
<FONT color="green">061</FONT>        Label hostLabel2 = new Label("Host");<a name="line.61"></a>
<FONT color="green">062</FONT>        hostRows.add(hostLabel2);<a name="line.62"></a>
<FONT color="green">063</FONT>        hostLabel2.setStyleName(Styles.SMALLLABELSTYLE);<a name="line.63"></a>
<FONT color="green">064</FONT>        this.hostPanelFeedback = new HTML("Sensorbase status.");<a name="line.64"></a>
<FONT color="green">065</FONT>        this.hostPanelFeedback.setStyleName(Styles.EXAMPLELABELSTYLE);<a name="line.65"></a>
<FONT color="green">066</FONT>        hostRows.add(this.hostPanelFeedback);<a name="line.66"></a>
<FONT color="green">067</FONT>        hostColumns.add(hostRows);<a name="line.67"></a>
<FONT color="green">068</FONT>        RootPanel.get("hostStatusSlot").add(hostColumns);<a name="line.68"></a>
<FONT color="green">069</FONT>        this.settingsPanel = hostColumns;<a name="line.69"></a>
<FONT color="green">070</FONT>        <a name="line.70"></a>
<FONT color="green">071</FONT>        Window.addWindowResizeListener(this);<a name="line.71"></a>
<FONT color="green">072</FONT>        this.setWidth(Integer.toString(Window.getClientWidth() - 34) + Styles.PIXELSUFFIX);<a name="line.72"></a>
<FONT color="green">073</FONT>        <a name="line.73"></a>
<FONT color="green">074</FONT>        rpcGetHost(); // NOPMD<a name="line.74"></a>
<FONT color="green">075</FONT>      }<a name="line.75"></a>
<FONT color="green">076</FONT>      <a name="line.76"></a>
<FONT color="green">077</FONT>      /**<a name="line.77"></a>
<FONT color="green">078</FONT>       * This method returns the host settings panel.<a name="line.78"></a>
<FONT color="green">079</FONT>       * @return settings panel.<a name="line.79"></a>
<FONT color="green">080</FONT>       */<a name="line.80"></a>
<FONT color="green">081</FONT>      public Panel getSettingsPanel() {<a name="line.81"></a>
<FONT color="green">082</FONT>        return this.settingsPanel;<a name="line.82"></a>
<FONT color="green">083</FONT>      }<a name="line.83"></a>
<FONT color="green">084</FONT>      <a name="line.84"></a>
<FONT color="green">085</FONT>      /**<a name="line.85"></a>
<FONT color="green">086</FONT>       * This method returns the host settings panel.<a name="line.86"></a>
<FONT color="green">087</FONT>       * @return status panel.<a name="line.87"></a>
<FONT color="green">088</FONT>       */<a name="line.88"></a>
<FONT color="green">089</FONT>      public Panel getStatusPanel() {<a name="line.89"></a>
<FONT color="green">090</FONT>        return this.statusPanel;<a name="line.90"></a>
<FONT color="green">091</FONT>      }<a name="line.91"></a>
<FONT color="green">092</FONT>      <a name="line.92"></a>
<FONT color="green">093</FONT>      /**<a name="line.93"></a>
<FONT color="green">094</FONT>       * This method sets the name of the host uri.<a name="line.94"></a>
<FONT color="green">095</FONT>       * @param uri the sensorbase host domain and path<a name="line.95"></a>
<FONT color="green">096</FONT>       */<a name="line.96"></a>
<FONT color="green">097</FONT>      public void setHost(String uri) {<a name="line.97"></a>
<FONT color="green">098</FONT>        this.hostLabel.setText(uri);<a name="line.98"></a>
<FONT color="green">099</FONT>        this.session.setSensorbaseHost(uri);<a name="line.99"></a>
<FONT color="green">100</FONT>        this.hostPanelFeedback.setText("Properties file located.");<a name="line.100"></a>
<FONT color="green">101</FONT>        this.hostPanelImage.setUrl(Images.HOST_IMAGE);<a name="line.101"></a>
<FONT color="green">102</FONT>        rpcIsHost();<a name="line.102"></a>
<FONT color="green">103</FONT>      }<a name="line.103"></a>
<FONT color="green">104</FONT>      <a name="line.104"></a>
<FONT color="green">105</FONT>      /**<a name="line.105"></a>
<FONT color="green">106</FONT>       * Check with the servlet to get the host name from the properties file.<a name="line.106"></a>
<FONT color="green">107</FONT>       */<a name="line.107"></a>
<FONT color="green">108</FONT>      private void rpcGetHost() {<a name="line.108"></a>
<FONT color="green">109</FONT>        this.hostPanelImage.setUrl(Images.WAIT_IMAGE);<a name="line.109"></a>
<FONT color="green">110</FONT>        this.hostPanelFeedback.setText("Searching for the properties file.");<a name="line.110"></a>
<FONT color="green">111</FONT>        RPCServiceFactory.getInstance().getService().getHost(new AsyncCallback()<a name="line.111"></a>
<FONT color="green">112</FONT>        {<a name="line.112"></a>
<FONT color="green">113</FONT>          public void onSuccess(Object result) {<a name="line.113"></a>
<FONT color="green">114</FONT>            setHost((String) result);<a name="line.114"></a>
<FONT color="green">115</FONT>          }<a name="line.115"></a>
<FONT color="green">116</FONT>      <a name="line.116"></a>
<FONT color="green">117</FONT>          public void onFailure(Throwable caught) {<a name="line.117"></a>
<FONT color="green">118</FONT>            if (caught instanceof com.google.gwt.user.client.rpc.InvocationException) {<a name="line.118"></a>
<FONT color="green">119</FONT>              log(RPCServiceFactory.PRCERRORNAME, "Cannot invoke get host uri property on servlet.");<a name="line.119"></a>
<FONT color="green">120</FONT>            } <a name="line.120"></a>
<FONT color="green">121</FONT>            else {<a name="line.121"></a>
<FONT color="green">122</FONT>              log(RPCServiceFactory.PRCERRORNAME, caught.toString());<a name="line.122"></a>
<FONT color="green">123</FONT>            }<a name="line.123"></a>
<FONT color="green">124</FONT>          }<a name="line.124"></a>
<FONT color="green">125</FONT>        });<a name="line.125"></a>
<FONT color="green">126</FONT>      }<a name="line.126"></a>
<FONT color="green">127</FONT>      <a name="line.127"></a>
<FONT color="green">128</FONT>      /**<a name="line.128"></a>
<FONT color="green">129</FONT>       * This method sets the state of the sensorbase service in the UI.<a name="line.129"></a>
<FONT color="green">130</FONT>       * @param state Boolean represents the state of the user valid=true, invalid=false<a name="line.130"></a>
<FONT color="green">131</FONT>       */<a name="line.131"></a>
<FONT color="green">132</FONT>      public void setHostStatus(Boolean state) {<a name="line.132"></a>
<FONT color="green">133</FONT>        this.hostPanelImage.setUrl(Images.HOST_IMAGE);<a name="line.133"></a>
<FONT color="green">134</FONT>        this.sensorbaseTstamp = new Date();<a name="line.134"></a>
<FONT color="green">135</FONT>        String time = DateTimeFactories.getInstance().getBodyfactory().format(this.sensorbaseTstamp);<a name="line.135"></a>
<FONT color="green">136</FONT>        if (state != null &amp;&amp; state.booleanValue()) {<a name="line.136"></a>
<FONT color="green">137</FONT>          this.sensorbaseStatus = Boolean.TRUE;<a name="line.137"></a>
<FONT color="green">138</FONT>          this.hostPanelImage.setUrl(Images.HOST_VALID);<a name="line.138"></a>
<FONT color="green">139</FONT>          this.hostPanelFeedback.setText(time + ", Sensorbase service contacted successfully.");<a name="line.139"></a>
<FONT color="green">140</FONT>          this.hostPanelFeedback.setStyleName(Styles.VALIDLABELSTYLE);<a name="line.140"></a>
<FONT color="green">141</FONT>          this.userPanels = new UserPanels(this.session);<a name="line.141"></a>
<FONT color="green">142</FONT>        } <a name="line.142"></a>
<FONT color="green">143</FONT>        else {<a name="line.143"></a>
<FONT color="green">144</FONT>          this.sensorbaseStatus = Boolean.FALSE;<a name="line.144"></a>
<FONT color="green">145</FONT>          this.hostPanelImage.setUrl(Images.HOST_INVALID);<a name="line.145"></a>
<FONT color="green">146</FONT>          this.hostPanelFeedback.setText(time + ", Sensorbase service unavailable.");<a name="line.146"></a>
<FONT color="green">147</FONT>          this.hostPanelFeedback.setStyleName(Styles.INVALIDLABELSTYLE);<a name="line.147"></a>
<FONT color="green">148</FONT>        }<a name="line.148"></a>
<FONT color="green">149</FONT>      }<a name="line.149"></a>
<FONT color="green">150</FONT>      <a name="line.150"></a>
<FONT color="green">151</FONT>      /**<a name="line.151"></a>
<FONT color="green">152</FONT>       * Check with the servlet to see if the host is valid.<a name="line.152"></a>
<FONT color="green">153</FONT>       */<a name="line.153"></a>
<FONT color="green">154</FONT>      public void rpcIsHost() {<a name="line.154"></a>
<FONT color="green">155</FONT>        this.hostPanelFeedback.setHTML("Validating the Sensorbase host is at"<a name="line.155"></a>
<FONT color="green">156</FONT>          + newLineChar + "URI: " + this.hostLabel.getText());<a name="line.156"></a>
<FONT color="green">157</FONT>        this.hostPanelImage.setUrl(Images.WAIT_IMAGE);<a name="line.157"></a>
<FONT color="green">158</FONT>        RPCServiceFactory.getInstance().getService().isHost(this.hostLabel.getText(), <a name="line.158"></a>
<FONT color="green">159</FONT>          new AsyncCallback()<a name="line.159"></a>
<FONT color="green">160</FONT>          {<a name="line.160"></a>
<FONT color="green">161</FONT>            public void onSuccess(Object result) {<a name="line.161"></a>
<FONT color="green">162</FONT>              setHostStatus((Boolean) result);<a name="line.162"></a>
<FONT color="green">163</FONT>            }<a name="line.163"></a>
<FONT color="green">164</FONT>          <a name="line.164"></a>
<FONT color="green">165</FONT>            public void onFailure(Throwable caught) {<a name="line.165"></a>
<FONT color="green">166</FONT>              if (caught instanceof com.google.gwt.user.client.rpc.InvocationException) {<a name="line.166"></a>
<FONT color="green">167</FONT>                log(RPCServiceFactory.PRCERRORNAME, "Cannot invoke host validation on servlet.");<a name="line.167"></a>
<FONT color="green">168</FONT>              } <a name="line.168"></a>
<FONT color="green">169</FONT>              else {<a name="line.169"></a>
<FONT color="green">170</FONT>                log(RPCServiceFactory.PRCERRORNAME, caught.toString());<a name="line.170"></a>
<FONT color="green">171</FONT>              }<a name="line.171"></a>
<FONT color="green">172</FONT>            }<a name="line.172"></a>
<FONT color="green">173</FONT>          });<a name="line.173"></a>
<FONT color="green">174</FONT>      }<a name="line.174"></a>
<FONT color="green">175</FONT>      <a name="line.175"></a>
<FONT color="green">176</FONT>      /**<a name="line.176"></a>
<FONT color="green">177</FONT>       * This method returns if the sensorbase service is available.<a name="line.177"></a>
<FONT color="green">178</FONT>       * @return true if the sensorbase service has been contacted successfully, false if not.<a name="line.178"></a>
<FONT color="green">179</FONT>       */<a name="line.179"></a>
<FONT color="green">180</FONT>      public Boolean getSensorbaseStatus() {<a name="line.180"></a>
<FONT color="green">181</FONT>        return this.sensorbaseStatus;<a name="line.181"></a>
<FONT color="green">182</FONT>      }<a name="line.182"></a>
<FONT color="green">183</FONT>      <a name="line.183"></a>
<FONT color="green">184</FONT>      /**<a name="line.184"></a>
<FONT color="green">185</FONT>       * Log this message in the display.<a name="line.185"></a>
<FONT color="green">186</FONT>       * @param header the message header or subject<a name="line.186"></a>
<FONT color="green">187</FONT>       * @param body the message body<a name="line.187"></a>
<FONT color="green">188</FONT>       */<a name="line.188"></a>
<FONT color="green">189</FONT>      private void log(String header, String body) {<a name="line.189"></a>
<FONT color="green">190</FONT>        Window.alert(header + " : " + body);<a name="line.190"></a>
<FONT color="green">191</FONT>      }<a name="line.191"></a>
<FONT color="green">192</FONT>      <a name="line.192"></a>
<FONT color="green">193</FONT>      /** <a name="line.193"></a>
<FONT color="green">194</FONT>       * Listens for user resizing of the window.<a name="line.194"></a>
<FONT color="green">195</FONT>       * @param width of the adjusted window.<a name="line.195"></a>
<FONT color="green">196</FONT>       * @param height of the adjusted window.<a name="line.196"></a>
<FONT color="green">197</FONT>       */<a name="line.197"></a>
<FONT color="green">198</FONT>      public void onWindowResized(int width, int height) {<a name="line.198"></a>
<FONT color="green">199</FONT>        this.setWidth(Integer.toString(width - 34) + Styles.PIXELSUFFIX);<a name="line.199"></a>
<FONT color="green">200</FONT>      }<a name="line.200"></a>
<FONT color="green">201</FONT>    }<a name="line.201"></a>




























































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